3 Answers

Problems with your D-Link DP-300U LOST IP
If you’re like me, you have a ton of computer **** laying around your house. Today I found an old D-Link DP-300U print server laying around and thought that I could put it to good use. The bad thing about these things is the fact that they do not have a hardware reset button on them, so if you forget the IP or the Password, you’re pretty much hosed… or so I thought. After doing some google searches for how to find a lost IP, I came back empty. The PS Admin program that D-Link publishes for use with this thing couldn’t find it on my network either. After some thinking, I came up with an idea.
If you know anything about networking and how networks work, you should have thought about this too. Get a Wireshark capture running. Unplug the power from the print server and then replug it. It’s going to send out an ARP on the network looking for it’s gateway which should be picked up by Wireshark. It should look like this:
In my case, it came back as 192.168.1.253. After changing the IP on my laptop to fit that subnet, I was able to log into it via it’s web interface (there was no password on it thank God!) and put it back to factory settings. Voila! What once was a brick is now a working print server!

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Related Questions:

1) Install the psadmin software if you have not already. If you have lost the psadmin software then search for it on the web. 2) Start the psadmin software and click "factory reset". 3) If the software demands a password, try "SYSxxxx", where xxxx stands for the last four digits of the MAC address located on the underside of your server. (Example: if your MAC address were "63 XE 29 44 F2 96", then your password would be SYSF296.) 4) Click yes to confirm the reset.

B)

On the back of the print server you will find a pin hole, insert a paper clip for 30 secs with the print server powered on. All lights will flash. Try to setup the server again.

I am looking for a solution as well. Some have said to login as psadmin and use SYSXXXX (XXXX being the last 4 of the mac address: ie. AA:3S:33 the password would be SYS3S33)This did not work for me.Even with the PSAdmin software, it requires a password to reset to defaults or to change the current password,D-Link needed to put a reset button on this unit - this is stupid.I will post if I find an answer.

Yes. In most cases you can reset your D-link DP-300 series or DP-301 series print server yourself even if you don't know the password or IP. This comes in handy in situations such as when the server has made up its own password after being connected to a new router.

Cross your fingers and try the following steps...

1) Install the psadmin software if you have not already. If you have lost the psadmin software then search for it on the web. 2) Start the psadmin software and click "factory reset". 3) If the software demands a password, try "SYSxxxx", where xxxx stands for the last four digits of the MAC address located on the underside of your server. (Example: if your MAC address were "63 XE 29 44 F2 96", then your password would be SYSF296.) 4) Click yes to confirm the reset. 5) Follow the non-intuitive instructions provided with your server to set it up again. (Note that a Quick Install Guide will likely be more useful than a manual for this step. If you have lost your Quick Install Guide then try downloading it from D-link's website, http:/www.dlink.com/default.aspx Locate your model via "product quick find" or "find your product" then click on "support resources" and look for a quick installation guide.)

Reset button is in back panel of printer sertver.Press it for 10 seconds.Then all settings goes to defaults.Reset button is small round in back side of router you can press it's pin with any ball -pen.Let me know if you need further assistance.Thanks.

Try using the psadmin software to do a factory reset. If it demands a password to do this, try using "SYSxxxx" (where xxxx stands for the last four digits of the MAC address written on the underside of the server. If you don't have the psadmin software you may be able to download it off the internet. After doing the reset you will need to follow the Quick Install Guide to set up the server. If you lost the Quick Install Guide you can download a new one from D-link's website. The following link may also be helpful: http://www.fixya.com/support/t224263-dp301p_psadmin_password_forgoten

You may use the PSAdmin software to configure your print server even if you don't know the IP address. The only requirement is that the DP-300U has to be in the same network (subnet) as your PC running PSAdmin. In the PSAdmin, you will then be able to view or change the IP address.